3. She's got to be friendly to the boy who lives next door.
4. The sofa we bought last year has already fell into pieces
5. The taxi driver who took me to the airport was very friendly
6. I am writing to complain about the shoes I bought at your shop last week
7. This computer has been used for 3 months
8. I like watching films which are about different kinds of animals
9. Even though he is hard - working, he doesn't study well at school
10. The man who lives next door is a famous doctor.
